package com.service;

/**
 * @description:
 * @author: sksun2
 * @create: 2023-07-24
 */
public interface OrderService {

    /**
     * 创建订单
     * @param userId 用户
     * @param itemId  商品id
     * @param num  数量
     * @return
     */
    String createOrder(String userId,String itemId,Integer num);
}
